sample implementation of db connection

ref #1 #2

src/app.ts

@@ -1,9 +1,18 @@
 import * as dotenvSafe from 'dotenv-safe';
-dotenvSafe.config();
 import express from 'express';
-const app = express();
-const PORT = 4010;
-app.get('/', (req, res) => res.send('Express + TypeScript Server'));
-app.listen(PORT, () => {
-	console.log(`⚡️[server]: Server is running at http://localhost:${PORT}`);
-});
+import { createConnection } from 'typeorm';
+
+dotenvSafe.config();
+
+createConnection()
+	.then((connection) => {
+		const app = express();
+		const PORT = process.env.APP_PORT || 4010;
+		app.get('/', (req, res) => res.send('Express + TypeScript Server'));
+		app.listen(PORT, () => {
+			console.log(`⚡️[server]: Server is running at http://localhost:${PORT}`);
+		});
+	})
+	.catch((err) => {
+		console.log(err);
+	});